Home / 97,971.09-147,022.20-35,641.59

Finding the Fourth Proportional to 97,971.09, 147,022.20 and 35,641.59

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Solution

The fourth proportional to 97,971.09, 147,022.20 and 35,641.59 is: 53,486.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,971.09 : 147,022.20 = 35,641.59 : x
  2. Step 2: Convert to fraction form
    97,971.09/147,022.20 = 35,641.59/x
  3. Step 3: Cross multiply
    97,971.09x = 147,022.20 × 35,641.59
  4. Step 4: Simplify right side
    97,971.09x = 5,240,104,973.30
  5. Step 5: Solve for x
    x = 5,240,104,973.30/97,971.09
  6. Step 6: Final answer
    x = 53,486.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.